FYI -- I checked with San Juan Car on the status of various ALM products:
• The diaphragms are now available. I inquired about the heavyweight diaphragms only, but I suspect the lightweight version is available as well.
• The tooling for the PRR trucks is owned by someone else and they pulled it back, so those are gone for good unless the owner makes them available or another manufacturer steps up.
• The core kits remain in limbo, with no scheduled release date.